<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Jquery</title>
    <script type="text/javascript" src="js/jquery-1.7.1.min.js"></script>
    <script type="text/javascript">
		$(document).ready(function(){
			$('ul').each(function(){
				this_sel = $(this);
				if(this_sel.has('li').length == 0){
					this_sel.after('Empty menu');
				}
			});
		});
	</script>
    <style type="text/css">
		ul {
			margin: 0;
			padding: 0;
		}
    </style>
</head>
<body>
	Menu 1
    <ul>
    	<li>Menu item 1</li>
        <li>Menu item 1</li>
    </ul>
    
    Menu 2
    <ul>
    	<li>Menu item 1</li>
    </ul>
</body>   
</html>
